sigs.k8s.io/kueue@v0.6.2/pkg/controller/core/core.go (about)

     1  /*
     2  Copyright 2022 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package core
    18  
    19  import (
    20  	"time"
    21  
    22  	ctrl "sigs.k8s.io/controller-runtime"
    23  
    24  	configapi "sigs.k8s.io/kueue/apis/config/v1beta1"
    25  	"sigs.k8s.io/kueue/pkg/cache"
    26  	"sigs.k8s.io/kueue/pkg/config"
    27  	"sigs.k8s.io/kueue/pkg/constants"
    28  	"sigs.k8s.io/kueue/pkg/queue"
    29  )
    30  
    31  const updateChBuffer = 10
    32  
    33  // SetupControllers sets up the core controllers. It returns the name of the
    34  // controller that failed to create and an error, if any.
    35  func SetupControllers(mgr ctrl.Manager, qManager *queue.Manager, cc *cache.Cache, cfg *configapi.Configuration) (string, error) {
    36  	rfRec := NewResourceFlavorReconciler(mgr.GetClient(), qManager, cc)
    37  	if err := rfRec.SetupWithManager(mgr, cfg); err != nil {
    38  		return "ResourceFlavor", err
    39  	}
    40  	acRec := NewAdmissionCheckReconciler(mgr.GetClient(), qManager, cc)
    41  	if err := acRec.SetupWithManager(mgr, cfg); err != nil {
    42  		return "AdmissionCheck", err
    43  	}
    44  	qRec := NewLocalQueueReconciler(mgr.GetClient(), qManager, cc)
    45  	if err := qRec.SetupWithManager(mgr, cfg); err != nil {
    46  		return "LocalQueue", err
    47  	}
    48  
    49  	cqRec := NewClusterQueueReconciler(
    50  		mgr.GetClient(),
    51  		qManager,
    52  		cc,
    53  		WithQueueVisibilityUpdateInterval(queueVisibilityUpdateInterval(cfg)),
    54  		WithQueueVisibilityClusterQueuesMaxCount(queueVisibilityClusterQueuesMaxCount(cfg)),
    55  		WithReportResourceMetrics(cfg.Metrics.EnableClusterQueueResources),
    56  		WithWatchers(rfRec, acRec),
    57  	)
    58  	if err := mgr.Add(cqRec); err != nil {
    59  		return "Unable to add ClusterQueue to manager", err
    60  	}
    61  	rfRec.AddUpdateWatcher(cqRec)
    62  	acRec.AddUpdateWatchers(cqRec)
    63  	if err := cqRec.SetupWithManager(mgr, cfg); err != nil {
    64  		return "ClusterQueue", err
    65  	}
    66  	if err := NewWorkloadReconciler(mgr.GetClient(), qManager, cc,
    67  		mgr.GetEventRecorderFor(constants.WorkloadControllerName),
    68  		WithWorkloadUpdateWatchers(qRec, cqRec),
    69  		WithPodsReadyTimeout(podsReadyTimeout(cfg)),
    70  		WithRequeuingBackoffLimitCount(requeuingBackoffLimitCount(cfg))).SetupWithManager(mgr, cfg); err != nil {
    71  		return "Workload", err
    72  	}
    73  	return "", nil
    74  }
    75  
    76  func podsReadyTimeout(cfg *configapi.Configuration) *time.Duration {
    77  	if config.WaitForPodsReadyIsEnabled(cfg) && cfg.WaitForPodsReady.Timeout != nil {
    78  		return &cfg.WaitForPodsReady.Timeout.Duration
    79  	}
    80  	return nil
    81  }
    82  
    83  func requeuingBackoffLimitCount(cfg *configapi.Configuration) *int32 {
    84  	if config.WaitForPodsReadyIsEnabled(cfg) && cfg.WaitForPodsReady.RequeuingStrategy != nil {
    85  		return cfg.WaitForPodsReady.RequeuingStrategy.BackoffLimitCount
    86  	}
    87  	return nil
    88  }
    89  
    90  func queueVisibilityUpdateInterval(cfg *configapi.Configuration) time.Duration {
    91  	if cfg.QueueVisibility != nil {
    92  		return time.Duration(cfg.QueueVisibility.UpdateIntervalSeconds) * time.Second
    93  	}
    94  	return 0
    95  }
    96  
    97  func queueVisibilityClusterQueuesMaxCount(cfg *configapi.Configuration) int32 {
    98  	if cfg.QueueVisibility != nil && cfg.QueueVisibility.ClusterQueues != nil {
    99  		return cfg.QueueVisibility.ClusterQueues.MaxCount
   100  	}
   101  	return 0
   102  }